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    <center>Scilab function</center>
    <div align="right">Last update : September 1996</div>
    <p>
      <b>node_number</b> -  number of nodes of a graph</p>
    <h3>
      <font color="blue">Calling Sequence</font>
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        <tt>n = node_number(g)  </tt>
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    <h3>
      <font color="blue">Parameters</font>
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      <li>
        <tt>
          <b>g</b>
        </tt>: graph list</li>
      <li>
        <tt>
          <b>n</b>
        </tt>: integer, number of nodes</li>
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    <h3>
      <font color="blue">Description</font>
    </h3>
    <p>
      <tt>
        <b>node_number</b>
      </tt> returns the number <tt>
        <b>n</b>
      </tt> of nodes of the graph.</p>
    <h3>
      <font color="blue">See Also</font>
    </h3>
    <p>
      <a href="arc_number.htm">
        <tt>
          <b>arc_number</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="edge_number.htm">
        <tt>
          <b>edge_number</b>
        </tt>
      </a>,&nbsp;&nbsp;</p>
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